Home / 356,575.18-492,051.43-195,418.79

Finding the Fourth Proportional to 356,575.18, 492,051.43 and 195,418.79

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Solution

The fourth proportional to 356,575.18, 492,051.43 and 195,418.79 is: 269,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,575.18 : 492,051.43 = 195,418.79 : x
  2. Step 2: Convert to fraction form
    356,575.18/492,051.43 = 195,418.79/x
  3. Step 3: Cross multiply
    356,575.18x = 492,051.43 × 195,418.79
  4. Step 4: Simplify right side
    356,575.18x = 96,156,095,068.37
  5. Step 5: Solve for x
    x = 96,156,095,068.37/356,575.18
  6. Step 6: Final answer
    x = 269,665.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.